# Fermat's little theorem facts for kids

**Fermat's little theorem** is a theorem from number theory. It is named after Pierre de Fermat who found it in the 17th century. It is about the properties of primes. It says that if *a* is a number, and *p* is a prime, then

If a is not a multiple of p, then the following is often used:

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Fermat's little theorem Facts for Kids. *Kiddle Encyclopedia.*